The ASUS M4N75TD is a lower-end nVidia SLI motherboard. It has the ATX form factor. Of the ASUS AM3 motherboards, it is the cheapest that still offers SLI multi-GPU support. Integrated into the BIOS are several ASUS features, such as Turbo Key, which allows the user to configure the power button as an instant-on overclocking button, as well as energy-management features, such as intelligent fan monitoring, voltage monitoring, and power management from the ASUS Energy Processing Unit. It also has an ASUS exclusive OS called Express Gate, that can be booted before Windows for quick access to Internet. It also uses the DDR3 standard for memory, with speeds up to 2000(O.C.).